•6 min read
How to Sell Certified Diamonds in Geneva: The Essential Valuation Guide
Discover how certified gemologists assess diamond carats, Rapaport international price lists, and secure immediate bank wire settlements in Geneva.
Gemological Journal
The Geneva Jewelry & Diamond Journal
Market insights, auction trends, and practical guides on diamond grading, signed high jewelry, and Swiss luxury timepieces.
•5 min read
Demystifying the 4Cs: Carat, Color, Clarity, and Cut in Diamond Pricing
A comprehensive breakdown of the universal criteria established by the GIA that govern diamond valuation on international wholesale exchanges.
•5 min read
GIA, HRD, SSEF, or Gübelin: Which Laboratory Report Best Preserves Your Gem's Value?
An expert comparison of the world's most prestigious gemological laboratories and how their analytical reports influence secondary market liquidity.
•7 min read
The Secondary Market for Signed High Jewelry: Cartier, Van Cleef, and Boucheron in Geneva
Why iconic creations from Place Vendôme and Swiss fine jewelers achieve substantial collector premiums beyond intrinsic precious metal value.
•6 min read
Selling Luxury Timepieces in Geneva: Rolex, Patek Philippe, and Audemars Piguet
Practical insights from Swiss watchmakers on valuation drivers: original condition, unpolished bevels, box and papers, and current secondary market benchmarks.
•5 min read
Understanding Gold Bullion Pricing in Switzerland: LBMA Fixing and 20 CHF Vreneli Coins
A guide to bullion liquidity: London Bullion Market Association daily fixings, Swiss refiners (Metalor, Argor-Heraeus, Valcambi), and exempt bullion taxation.